Microbiology #2

What are good ways to prevent the spread of viruses and bacteria?

• stay home when sick

• wash your hands

• get vaccinations when recommended

• all of these

Smallpox, yellow fever, polio, Ebola, and influenza are all caused by

• bacteria

• viruses

• bad genes

• fungi

Which is true about all bacteria?

• they all have a nucleus

• they all have many cells

• they all have one cell

• they do not use energy

Tags

NGSS.MS-LS1-1

How do viruses reproduce?

• they split into two (asexually)

• they take over a host cell

• by budding

• none of these; viruses cannot reproduce

Are bacteria ever helpful?

• No, they all cause disease.

• Yes.

• Scientists are not sure

Which is true about viruses?

• they have no cells

• they grow really fast

• they use energy in different ways

• they reproduce by splitting in 2

How do bacteria reproduce?

• asexually; one splits into two

• by taking over a host cell

• by budding

• none of these; bacteria cannot reproduce

Tags

NGSS.MS-LS3-2

Which is true about viruses?

• they each have one cell

• they use lots of energy

• they grow slowly

• they have DNA or RNA

When should people use antibiotics?

• any time they are sick

• when they are sick with a virus

• when they are sick with a bacterial infection

• never

What can happen if antibacterial products are used improperly?

• nothing

• bacteria may turn into viruses

• bacteria can become resistant to the products, making them difficult to kill

Tags

NGSS.MS-LS4-4